Chan had six Top 20 finishes on the course and also posted a 3.49 GPA in the classroom.
Garrick earned his third All-America award in as many seasons.
UCLA alum spent three years as an assistant coach at his alma mater.
UCLA will be represented by Jake Knapp, Alex Kim and Kevin Chappell at the U.S. Open June 18-21.
Chan and Garrick account for UCLA victories.